Answer:
The reasons for the altered rates of digestion include fiber, food form, the nature of the starch, antinutrients etc. Through reducing the rate of digestion of starchy foods post prandially "slow release" starchy foods blunt many gut hormone responses, and prolong FFA and ketone body suppression.
In the presence of fiber the digestive system reduces the rate of digestion of starch, as a result, the starch gives energy slowly which is good for health.
Digestion of Starch:
It starts digesting in the mouth during chewing by saliva. Starch is mainly digested in the small intestine.
Here, amylase breakdown the starch into small fragments and finally into glucose.
The digestive system cannot break down the fiber because the human digestive system does not have enzymes to break down.
Therefore, in the presence of fiber the digestive system reduces the rate of digestion of starch, as a result, the starch gives energy slowly which is good for health.
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